I'm taking a bit of a stab here. I recon once ASICs rock up and miners sell off their old rigs, they'll be flush with some cash. Some (not all) won't need to sell any BTC for a while causing a small shortage, which in turn increases demand.

So what I'm actually saying here is...

GUESS : USD $17.55

The Bitcoin Museum is back under my control, but I still need to go through all the code. DO NOT PURCHASE ANYTHING FROM IT